Home / 1,071,644.70-1,478,888.74-588,254.78

Finding the Fourth Proportional to 1,071,644.70, 1,478,888.74 and 588,254.78

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Solution

The fourth proportional to 1,071,644.70, 1,478,888.74 and 588,254.78 is: 811,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,644.70 : 1,478,888.74 = 588,254.78 : x
  2. Step 2: Convert to fraction form
    1,071,644.70/1,478,888.74 = 588,254.78/x
  3. Step 3: Cross multiply
    1,071,644.70x = 1,478,888.74 × 588,254.78
  4. Step 4: Simplify right side
    1,071,644.70x = 869,963,370,393.18
  5. Step 5: Solve for x
    x = 869,963,370,393.18/1,071,644.70
  6. Step 6: Final answer
    x = 811,802.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.